Casio DS-1B Calculator

Key Features
Calculator with carefully crafted keys for comfortable use.
Precisely engineered to perform accurate fractional calculations and statistical data analysis.
Displays the result immediately after pressing the solve key.
Solar-powered when there is sufficient light; battery-powered when there is insufficient light.
Overview
A calculator is an essential part of our daily lives that we cannot do without. It is suitable for all offices, markets, and all commercial work, and all students need it for their back-to-school studies.